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fullspecs
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Specification
Price
Rs.4,990.00
Rs.4,900.00
Brand
Sennheiser
Koss
Model No
HD 400S
Porta Pro®
Wired / Wireless
Wired Headphone Specification
Wired Headphone Specification
Headphone Type
Over Ear
On Ear
Magnet Type
Dynamic
Dynamic
Driver Diameter
9.7 mm
34 mm
Impedance
18 ohm
60 Ohms
Sensitivity
100 dB SPL
101 dB SPL
Frequency Response
18 Hz -20000 Hz
15Hz - 25KHz
Maximum Power Input
NA
NA
Noise Cancelling
AMBIENT
Sound Isolation
Available Colors
Black
Black
Connector Plating
3.5 mm, Angled
3.5mm Gold-Plated Stereo
Cable
Tangle- Flat Cable
Straight, Dual Entry Cable
Weight
217 Gm
60 GM
Other Features
Built-in microphone and remote for call and music control.
Sennheiser sound quality for a unique listening experience.
Lightweight, foldable headphones for easy on-the-go storage.
Closed-back around-ear headphones reduce unwanted background noise for your comfort.
Sennheiser’s dynamic drivers deliver a well-extended sound response with dynamic bass for a unique listening experience and closed-back around-ear headphones reduce unwanted background noise for your comfort.
Limited Lifetime Warranty
Retro Design : Featuring the iconic Koss Porta Pro aesthetic in a sleek black finish with metal accents.
Connect To Everything : Enjoy gaming, editing, movies and music with a conveneient 3.5mm standard headphone jack plug.
Ultimate Portability : Pro Pro features a unique collapsible design and includes a carrying pouch for protective storage for ultimate portability.
Legendary Sound : Experience breathtaking high-fidelity audio from 15-25,000 Hz that delivers deep bass, crisp highs and a superior midrange.
Comfortable Fit : The durable, lightweight design, ComfortZone and adjustable headband ensures a secure and comfortable fit for extended use.
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Top Differences

  • Noise Cancelling: AMBIENT vs Sound Isolation
  • Driver Size: 9.7 mm vs 34 mm
  • Weight: 217 Gm vs 60 GM
  • Impedance: 18 ohm Vs 60 Ohms
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